How about this for a differences - I want to be able to make a revoke, and missort my cards mixing clubs and spades, hearts and diamonds or even bid out of rotation.
I want to look at opponents and their behavior, not count on speed of my ISP and computer ...

Right - top or bottom: -4000 since ♦ were 7-6
Opener hand:
♠ AQ832
♥ AKQ10742
♦ void
♣ 10
Yuan suggests axing the partnership - who axes who, or assign the blame.
Suggestion: since a decision was made to bid on 7 level, why not bid 7♦?

How big is the risk? Partner must have at least 8 solid ♥, A♠, A♦ (he is not bidding a grand with nothing in ♠ and ♦ loser), put together K♠, AK♣ = 13 tricks, may be more.
Unless.... his ♦ control is also a void.
Void ...

Yes, 3NT by East...
All hands:
{handviewer d=s&v=0&w=s72hkdaqj98cat942&n=saqt984ha982dk2c6&e=skj5hqj643dt43cq5&s=s63ht75d765ckj873&a=p1d1sxp2c2spp3cp3nppxppp}
South asked for a review and led a diamond... -550 didn't score well. North comment (privately after the game:): I asked for spade lead - South answer - I was ...